short shift disappointment

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booomer
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Post Sun Aug 18, 2013 9:03 am

Just fitted a z3 1.9 gearstick to my M50'd e30 and i've got to say i'm pretty disappointed. To me it doesn't feel very sporty at all, just like a normal car. Also the gearstick is now sat way forward as if its in third when in actual fact it is in neutral, i guess i just need to put more of a bend on the selector rod to bring it back to centre. Does anybody have any experience with returning 'unused' parts to BMW? i'm thinking of going for the z3 2.8 stick instead.
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harry_p
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Post Sun Aug 18, 2013 12:26 pm

Is it in the right way round? It should still sit in the centre of the console in neutral.
cheers,

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Post Sun Aug 18, 2013 1:19 pm

Most people fit a 'short shift' lever to cure their sloppy gear shift. Replacing all the worn bits is often a better idea.


PS, re returns, you ordered it = you own it.
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Post Sun Aug 18, 2013 11:28 pm

you put it in the wrong way round,
pac1982
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Post Sun Aug 18, 2013 11:32 pm

bmw9818 wrote:you put it in the wrong way round,
+1, its yourself you should be disappointed with winkeye
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booomer
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Post Sun Aug 18, 2013 11:53 pm

Yeah my bad, it was in the wrong way round. But my disappointment is with the feel of the gear change, it isn't a quick shift at all! its no better than my diesel astra. anybody on here have a 2.8 gearstick in their car?
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rich318i
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Post Sun Aug 18, 2013 11:58 pm

booomer wrote:Yeah my bad, it was in the wrong way round. But my disappointment is with the feel of the gear change, it isn't a quick shift at all! its no better than my diesel astra. anybody on here have a 2.8 gearstick in their car?


2.8 and z3 are the same shifts what box you using?
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Post Mon Aug 19, 2013 12:06 am

Z3 1.9 and Z3 2.8 use different shifters, 2.8 is a shorter throw.
Cypriotgeeza wrote:I done both my mates in my old 318is
felt so proud,even tried it with a E30 325i and got put in my place.. :o:
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Post Mon Aug 19, 2013 12:09 am

booomer wrote:Yeah my bad, it was in the wrong way round. But my disappointment is with the feel of the gear change, it isn't a quick shift at all! its no better than my diesel astra. anybody on here have a 2.8 gearstick in their car?
You really have to compare apples with apples :mad:

e.g "I have tuned up my ivalid spastic carraige, but its not as quick as my Kawasaki Ninja". Not really fair is it.

How does the gearshift compare, to how it was before. That would be fair.

The 1.9 z3 shifter, is a good updrade, anything shorter is too notchy.
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Post Mon Aug 19, 2013 12:14 am

bit of a guide here,

Image

Z3 1.9 is probably the best all rounder but as pete said it won't improve a sloppy shift... just make it feel a bit tighter and maybe notchy,
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rich318i
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Post Mon Aug 19, 2013 12:15 am

leeparkes wrote:Z3 1.9 and Z3 2.8 use different shifters, 2.8 is a shorter throw.
328i E36 and Z3 have the same shift with a M20 box only are every short and very nice.

M52 boxes Need the Z3M shift for short or pay £400 for a DTM shift
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rich318i
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Post Mon Aug 19, 2013 12:26 am

e30topless wrote:bit of a guide here,

Image

Z3 1.9 is probably the best all rounder but as pete said it won't improve a sloppy shift... just make it feel a bit tighter and maybe notchy,
That is not right

http://www.e30zone.net/e30zonewiki/inde ... conversion
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Post Mon Aug 19, 2013 12:34 am

rich318i wrote:
That is not right
what's not right ?
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rich318i
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Post Mon Aug 19, 2013 12:47 am

the part number for the z3m
booomer
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Post Thu Aug 22, 2013 11:48 pm

basically there's only a slight improvement over the standard e30 gearchange! i can't feel any sloppyness, just about a mile of throw between 1st and 2nd. i'm going to rip it out and buy a 2.8 stick, i don't understand what 'too notchy' means, in my books notchy = good!
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rich318i
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Post Fri Aug 23, 2013 12:12 am

booomer wrote:basically there's only a slight improvement over the standard e30 gearchange! i can't feel any sloppyness, just about a mile of throw between 1st and 2nd. i'm going to rip it out and buy a 2.8 stick, i don't understand what 'too notchy' means, in my books notchy = good!
where you from? got one in london
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Post Sat Aug 24, 2013 8:23 am

booomer wrote:basically there's only a slight improvement over the standard e30 gearchange! i can't feel any sloppyness, just about a mile of throw between 1st and 2nd. i'm going to rip it out and buy a 2.8 stick, i don't understand what 'too notchy' means, in my books notchy = good!
Good luck with your synchromesh
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Post Sat Aug 24, 2013 8:28 am

rich318i wrote:the part number for the z3m
It's the part number for the z3 1.9
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Post Sat Aug 24, 2013 10:19 am

I've got the z3 2.8 shifter . In mine and Im happy with it. If you are in portsmouth you can try mine
if there wern't people like me,
with cars like mine,
who would you put down to make yourself feel better?
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jamlid
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Post Sun Aug 25, 2013 2:23 pm

I've just fitted a 1.9 z3 shifter to my 325i and it's a massive difference. It's just the right amount of throw and not too notchy.
DanThe
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Post Sun Aug 25, 2013 2:29 pm

jamlid wrote:I've just fitted a 1.9 z3 shifter to my 325i and it's a massive difference. It's just the right amount of throw and not too notchy.
A sensible comment! :D
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Post Tue Aug 27, 2013 10:25 pm

smithysmith wrote:
booomer wrote:basically there's only a slight improvement over the standard e30 gearchange! i can't feel any sloppyness, just about a mile of throw between 1st and 2nd. i'm going to rip it out and buy a 2.8 stick, i don't understand what 'too notchy' means, in my books notchy = good!
Good luck with your synchromesh
The further the distance between the centres of the pivot ball and the bush where the selector rod attaches means in that there is a smaller force being transmitted through the selector rod for an equivalent force being applied at the hand ball, therefore the longitudinal force being applied to the synchronisers is actually less, therefore so will be the synchronising torque and friction between the contact surfaces! a longer gearstick above the spherical bearing would result in higher synchronising forces
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Post Wed Aug 28, 2013 9:26 am

booomer wrote:
smithysmith wrote:
booomer wrote:basically there's only a slight improvement over the standard e30 gearchange! i can't feel any sloppyness, just about a mile of throw between 1st and 2nd. i'm going to rip it out and buy a 2.8 stick, i don't understand what 'too notchy' means, in my books notchy = good!
Good luck with your synchromesh
The further the distance between the centres of the pivot ball and the bush where the selector rod attaches means in that there is a smaller force being transmitted through the selector rod for an equivalent force being applied at the hand ball, therefore the longitudinal force being applied to the synchronisers is actually less, therefore so will be the synchronising torque and friction between the contact surfaces! a longer gearstick above the spherical bearing would result in higher synchronising forces
With a short shift the 'leverage' is less which means the force has to be increased to make the same movement of the linkages
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Post Wed Aug 28, 2013 9:49 am

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How do you pronounce 'either'? I say 'either', but some say 'either'. Either is correct.
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Post Thu Aug 29, 2013 8:54 pm

pacerpete wrote:Most people fit a 'short shift' lever to cure their sloppy gear shift. Replacing all the worn bits is often a better idea.


PS, re returns, you ordered it = you own it.
I fitted a 1.9 shift to my 318is, it was great , tight slick, the 2-3rd and 4th-5th changes felt great sporty feel

But when I got my 325 (after driving one a few weeks before that was sloppy as fook, the prev owner of mine had just refurbed all the gear linkage with new bmw parts and it felt super, and I don't think il change it, pulling away fast from dead is much nicer with standard aswell I think
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Post Thu Aug 29, 2013 9:45 pm

DanThe wrote:
booomer wrote:
smithysmith wrote: Good luck with your synchromesh
The further the distance between the centres of the pivot ball and the bush where the selector rod attaches means in that there is a smaller force being transmitted through the selector rod for an equivalent force being applied at the hand ball, therefore the longitudinal force being applied to the synchronisers is actually less, therefore so will be the synchronising torque and friction between the contact surfaces! a longer gearstick above the spherical bearing would result in higher synchronising forces
With a short shift the 'leverage' is less which means the force has to be increased to make the same movement of the linkages
yeah so to achieve the required axial force on the synchronisers, a larger force has to be applied at the gearstick, so all you are doing is putting neglegibly larger force through the gearstick and not the rest of the system, obviously unless you are thraping it into gear! The simple fact is that you have an increased ability to apply a larger and potentially damaging force with the standard gearstick, not with a z3 one
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Post Thu Aug 29, 2013 10:08 pm

^ The design of the standard shifter is made in conjunction with the fact that there is a certain distance the selector fork can move between neutral and the point of full engagement of a dog gear, thus the load borne on the syncromesh friction cones. By increasing the length between the pivot and bush, you're also increasing the distance the gear selector fork can move from neutral past its natural resting place when in gear. This means that the syncromesh cones will have a lot more load on them and wear out quicker.

Whilst the detent system in the gearbox will prohibit constant ramping; violent, or over exuberant shifting will wear out the syncromesh system quicker.
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Post Sat Aug 31, 2013 8:11 am

i think we'll have to agree to disagree on this one, the selector fork does not move any further than its meant to, hence why the throw of the gearstick gets shorter.